add greentest/test__core_stat.py

greentest/test__core_stat.py

+import gevent
+import gevent.core
+import os
+import time
+
+
+filename = 'test__core_stat.%s' % os.getpid()
+
+def unlink():
+    try:
+        os.unlink(filename)
+    except OSError:
+        pass
+
+hub = gevent.get_hub()
+watcher = hub.loop.stat(filename)
+
+if getattr(gevent.core, 'EV_USE_INOTIFY', None):
+    timeout = 0.3
+else:
+    timeout = 5.3
+
+try:
+    fobj = open(filename, 'wb', buffering=0)
+
+    def write():
+        fobj.write('x')
+        fobj.close()
+
+    gevent.spawn_later(0.2, write)
+
+    start = time.time()
+
+    with gevent.Timeout(timeout):
+        hub.wait(watcher)
+
+    print 'Watcher %r reacted after %.6f seconds' % (watcher, time.time() - start - 0.2)
+
+    gevent.spawn_later(0.2, unlink)
+
+    start = time.time()
+
+    with gevent.Timeout(timeout):
+        hub.wait(watcher)
+
+    print 'Watcher %r reacted after %.2f seconds' % (watcher, time.time() - start - 0.2)
+
+finally:
+    unlink()